diff options
| -rw-r--r-- | drivers/staging/iio/resolver/ad2s1210.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index 1360099fdaea..b4c14ba5fdee 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -197,6 +197,7 @@ static ssize_t ad2s1210_show_fclkin(struct device *dev, char *buf) { struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); + return sprintf(buf, "%d\n", st->fclkin); } @@ -235,6 +236,7 @@ static ssize_t ad2s1210_show_fexcit(struct device *dev, char *buf) { struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); + return sprintf(buf, "%d\n", st->fexcit); } @@ -271,6 +273,7 @@ static ssize_t ad2s1210_show_control(struct device *dev, { struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); int ret; + mutex_lock(&st->lock); ret = ad2s1210_config_read(st, AD2S1210_REG_CONTROL); mutex_unlock(&st->lock); @@ -328,6 +331,7 @@ static ssize_t ad2s1210_show_resolution(struct device *dev, struct device_attribute *attr, char *buf) { struct ad2s1210_state *st = iio_priv(dev_to_iio_dev(dev)); + return sprintf(buf, "%d\n", st->resolution); } |